Home / 8,325.27-12,490.45-3,643.07

Finding the Fourth Proportional to 8,325.27, 12,490.45 and 3,643.07

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Solution

The fourth proportional to 8,325.27, 12,490.45 and 3,643.07 is: 5,465.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,325.27 : 12,490.45 = 3,643.07 : x
  2. Step 2: Convert to fraction form
    8,325.27/12,490.45 = 3,643.07/x
  3. Step 3: Cross multiply
    8,325.27x = 12,490.45 × 3,643.07
  4. Step 4: Simplify right side
    8,325.27x = 45,503,512.12
  5. Step 5: Solve for x
    x = 45,503,512.12/8,325.27
  6. Step 6: Final answer
    x = 5,465.71

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.